英语词汇“face timbering”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	face timbering
释义	face timbering face timbering [′fās ′tim·bə·riŋ] (mining engineering) Positioning of safety posts at the working portion of a coal face to support the roof of the mine.
随便看	dodecanedioic acid dodecanese dodecanese islands dodecanese radio amateurs association dodecanesus dodecannesos dodecanoic acid dodecanol dodecanoyl-coa synthetase dodecaphonic dodecaphonism dodecaphonist dodecaphony dodecaploid dodecaploidy dodecarchy dodecastyle dodecasyllabic dodecasyllable dodecatemory dodecomina dodecyl dodecylbenzene dodecylbenzene sulfonic acid dodecyl benzensulfonate bis-ethylene diamine copper

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